This article collected hundreds of events since the 20th Century from natural disasters and the serious impact on human being, shows the human's behavior of instantaneous release of energy like war and nuclear test etc. how to disturbance and damage the normal material cycle and the energy exchange of nature through the butterfly effect and Domino effect. This article is listed a very small part of the natural disasters since the 20th Century, and listed various armed conflicts, local wars and nuclear tests (man-made disasters) in recent years occurred, aimed to alert people war and nuclear tests may cause serious impact on the three spheres of the Earth, appealed natural and social science study should pay more attention to world peace, social stability concerns and sustainable development.